25044332413 has 8 divisors (see below), whose sum is σ = 25833534680. Its totient is φ = 24261042240.

The previous prime is 25044332399. The next prime is 25044332429. The reversal of 25044332413 is 31423344052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14761764004 + 10282568409 = 121498^2 + 101403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25044332413 - 2⁹ = 25044331901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25044332113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469418 + ... + 1486363.

It is an arithmetic number, because the mean of its divisors is an integer number (3229191835).

Almost surely, 2^25044332413 is an apocalyptic number.

It is an amenable number.

25044332413 is a deficient number, since it is larger than the sum of its proper divisors (789202267).

25044332413 is a wasteful number, since it uses less digits than its factorization.

25044332413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956047.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 25044332413 its reverse (31423344052), we get a palindrome (56467676465).

The spelling of 25044332413 in words is "twenty-five billion, forty-four million, three hundred thirty-two thousand, four hundred thirteen".